GOODWILL AND INTANGIBLE ASSETS (Tables)

6 Months Ended

Jul. 04, 2015

GOODWILL AND INTANGIBLE ASSETS

Schedule of changes in the carrying amount of goodwill

	Photonics			Lasers			Optics
(In thousands)	Group			Group			Group			Total
Balance at January 3, 2015:
Goodwill	98,808			129,761			41,314			269,883
Accumulated impairment losses	(47,458		)	(104,562		)	(20,339		)	(172,359		)
	51,350			25,199			20,975			97,524
Goodwill allocated to acquisition	—			6,681			—			6,681
Foreign currency impact	—			(456		)	—			(456		)
Balance at July 4, 2015:
Goodwill	98,808			135,986			41,314			276,108
Accumulated impairment losses	(47,458		)	(104,562		)	(20,339		)	(172,359		)
	$	51,350		$	31,424		$	20,975		$	103,749

Schedule of intangible assets, excluding goodwill

As of July 4, 2015, acquisition related intangible assets were as follows:

	Amortization	Gross		Accumulated			Carrying
(In thousands)	Period	Value		Amortization			Value
Intangible assets subject to amortization:
Developed technology	10-20 years	$	39,815	$	(10,974	)	$	28,841
Customer relationships	up to 10 years	28,677		(19,806		)	8,871
In-process research and development	10 years	15,135		(1,879		)	13,256
Other	3 months-10 years	2,202		(1,204		)	998
		85,829		(33,863		)	51,966
Intangible assets not subject to amortization:
Trademarks and trade names		18,305		—			18,305
Intangible assets		$	104,134	$	(33,863	)	$	70,271

As of January 3, 2015, acquisition related intangible assets were as follows:

	Amortization	Gross		Accumulated			Carrying
(In thousands)	Period	Value		Amortization			Value
Intangible assets subject to amortization:
Developed technology	10-20 years	$	45,646	$	(16,782	)	$	28,864
Customer relationships	up to 10 years	47,827		(37,312		)	10,515
In-process research and development	10 years	13,461		(1,496		)	11,965
Other	3 months-10 years	7,461		(6,299		)	1,162
		114,395		(61,889		)	52,506
Intangible assets not subject to amortization:
Trademarks and trade names		18,305		—			18,305
Intangible assets		$	132,700	$	(61,889	)	$	70,811

Schedule of estimated aggregate amortization expense for future fiscal years

(In thousands)	Estimated Aggregate Amortization Expense
2015 (remaining)	$	4,178
2016	7,837
2017	6,689
2018	4,525
2019	3,934
Thereafter	17,500
	$	44,663